:root {
  --bg-main: #FAF8F5;
  --bg-elevated: #F3F0EA;
  --bg-card-neutral: #EFECE6;
  --text-primary: #2C363F;
  --text-secondary: #5E6C76;
  --text-muted: #7B8994;

  --blue-accent: #5B9BD5;
  --blue-bg: #EAF3FA;
  --blue-soft: #D7E8F7;

  --purple-accent: #8579C6;
  --purple-bg: #F1ECF9;
  --purple-soft: #E3DCF5;

  --amber-accent: #C48A47;
  --amber-bg: #FBF1E3;
  --amber-soft: #F5E3C8;

  --green-accent: #59A38C;
  --green-bg: #E9F5EF;
  --green-soft: #D3EDE3;

  --slate-accent: #6A8CAF;
  --slate-bg: #EFECE6;
  --slate-soft: #DDE7F0;

  --border-subtle: rgba(44, 54, 63, 0.08);
  --shadow-soft: 0 18px 42px -12px rgba(44, 54, 63, 0.07);
  --shadow-card: 0 10px 28px -8px rgba(44, 54, 63, 0.06);
  --radius-xl: 32px;
  --radius-lg: 26px;
  --radius-md: 20px;
  --radius-pill: 999px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s ease;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Sticky Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 245, 0.84);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(91, 155, 213, 0.16);
}

.brand-tag {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-elevated);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  margin-left: 4px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--text-primary);
  color: #FFFFFF;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  box-shadow: 0 8px 20px rgba(44, 54, 63, 0.16);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(44, 54, 63, 0.22);
  background: #1f272e;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: #E8E4DC;
  transform: translateY(-1px);
}

/* Hero Section */
.hero {
  padding: 68px 0 60px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--green-bg);
  color: var(--green-accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
}

.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green-accent);
}

.hero h1 {
  font-size: clamp(2.5rem, 4.6vw, 3.85rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 750;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.hero h1 span {
  background: linear-gradient(135deg, #5B9BD5 0%, #8579C6 50%, #59A38C 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin-bottom: 32px;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 36px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.hero-badge-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.hero-badge-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.hero-visual {
  position: relative;
}

.hero-banner-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 24px 60px -15px rgba(44, 54, 63, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.8);
  background: #FFF;
}

.hero-banner-card img {
  width: 100%;
  height: auto;
  display: block;
}

/* Section Headers */
.section {
  padding: 72px 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}

.section-eyebrow {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-accent);
  margin-bottom: 10px;
  display: block;
}

.section-title {
  font-size: clamp(1.85rem, 3.2vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.18;
  margin-bottom: 14px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

/* Interactive Breathing Preview Widget */
.interactive-card {
  background: var(--bg-elevated);
  border-radius: var(--radius-xl);
  padding: 40px;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.orb-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  background: var(--bg-main);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.orb-outer {
  width: 210px;
  height: 210px;
  border-radius: 76px;
  background: var(--blue-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 1s ease-in-out, background-color 0.6s ease;
  box-shadow: 0 0 60px rgba(91, 155, 213, 0.25);
}

.orb-inner {
  width: 152px;
  height: 152px;
  border-radius: 56px;
  background: var(--blue-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: background-color 0.6s ease;
}

.orb-phase-label {
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--blue-accent);
  margin-bottom: 4px;
}

.orb-timer {
  font-size: 2.75rem;
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1;
}

.orb-caption {
  margin-top: 22px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  text-align: center;
  min-height: 24px;
}

.interactive-controls h3 {
  font-size: 1.6rem;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.interactive-controls p {
  color: var(--text-secondary);
  margin-bottom: 22px;
  font-size: 0.98rem;
}

.preset-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.preset-btn {
  border: 1px solid var(--border-subtle);
  background: var(--bg-main);
  color: var(--text-primary);
  padding: 10px 16px;
  border-radius: 16px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.preset-btn .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.preset-btn.active {
  background: var(--text-primary);
  color: #FFF;
  border-color: var(--text-primary);
}

/* 5 Signature Rhythms Grid */
.rhythms-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.rhythm-card {
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 230px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  border: 1px solid rgba(255, 255, 255, 0.6);
}

.rhythm-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.rhythm-card.box { background: var(--blue-bg); }
.rhythm-card.relax { background: var(--purple-bg); }
.rhythm-card.energy { background: var(--amber-bg); }
.rhythm-card.sigh { background: var(--green-bg); }
.rhythm-card.custom {
  grid-column: 1 / -1;
  background: var(--slate-bg);
  min-height: auto;
  flex-direction: row;
  align-items: center;
  gap: 24px;
}

.rhythm-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.rhythm-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.rhythm-need {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.rhythm-title {
  font-size: 1.38rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.rhythm-sub {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.rhythm-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.rhythm-pattern {
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

/* Showcase / App Store Cards */
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.showcase-item {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-subtle);
  background: #FFF;
  transition: transform 0.3s ease;
}

.showcase-item:hover {
  transform: translateY(-6px);
}

.showcase-item img {
  width: 100%;
  height: auto;
  display: block;
}

/* Raw App Screens Feature Row */
.screens-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 32px;
}

.screen-frame {
  background: var(--bg-elevated);
  padding: 12px;
  border-radius: 30px;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card);
  text-align: center;
}

.screen-frame img {
  border-radius: 20px;
  width: 100%;
  height: auto;
  margin-bottom: 12px;
}

.screen-frame span {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* Science Section */
.science-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.science-card {
  border-radius: 24px;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.6);
}

.science-category {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}

.science-card h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.science-summary {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  opacity: 0.85;
  margin-bottom: 10px;
}

.science-detail {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Features / Care Row */
.care-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.care-card {
  background: var(--bg-elevated);
  border-radius: 24px;
  padding: 28px;
  border: 1px solid var(--border-subtle);
}

.care-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.care-card h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.care-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
}

/* Support & FAQ */
.support-box {
  background: var(--bg-elevated);
  border-radius: var(--radius-xl);
  padding: 42px;
  border: 1px solid var(--border-subtle);
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 36px;
  align-items: start;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--bg-main);
  border-radius: 18px;
  padding: 18px 22px;
  border: 1px solid var(--border-subtle);
}

.faq-item h4 {
  font-size: 1rem;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.faq-item p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Legal Pages (Privacy Policy & Terms) */
.legal-wrapper {
  padding: 56px 0 88px;
}

.legal-card {
  max-width: 820px;
  margin: 0 auto;
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  padding: 48px 56px;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
}

.legal-header {
  padding-bottom: 28px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--border-subtle);
}

.legal-header h1 {
  font-size: clamp(2rem, 3.5vw, 2.6rem);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.legal-meta {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.legal-content h2 {
  font-size: 1.3rem;
  margin: 28px 0 10px;
  color: var(--text-primary);
}

.legal-content p {
  color: var(--text-secondary);
  margin-bottom: 14px;
  font-size: 0.98rem;
}

.legal-content ul {
  margin: 0 0 18px 22px;
  color: var(--text-secondary);
}

.legal-content li {
  margin-bottom: 8px;
  font-size: 0.96rem;
}

/* Footer */
.footer {
  padding: 48px 0;
  border-top: 1px solid var(--border-subtle);
  margin-top: 40px;
  background: var(--bg-elevated);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  font-size: 0.92rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-copy {
  font-size: 0.86rem;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 960px) {
  .hero-grid,
  .interactive-card,
  .support-box {
    grid-template-columns: 1fr;
  }

  .showcase-grid,
  .screens-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .care-grid {
    grid-template-columns: 1fr;
  }

  .rhythm-card.custom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
  }

  .rhythms-grid,
  .science-grid,
  .showcase-grid,
  .screens-strip {
    grid-template-columns: 1fr;
  }

  .legal-card {
    padding: 28px 22px;
  }

  .interactive-card,
  .support-box {
    padding: 24px;
  }
}